Boy’s name · Irish, American English

Kellin

How to say it: KEL-in · /ˈkɛlɪn/

Modern variant of Irish Kellen meaning 'slender'; - also used as respelling of Colin/Kellan.

Kellin was the 586th most popular boys’ name in the United States in 2025, given to 44 babies (Social Security Administration). Its busiest decade was the 2010s, its births are down about 67% in ten years, and it is projected to slip to #739 by 2030.

Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures

#586for boys in 2025
1 in 7,191US babies
44born in 2025
#739projected for 2030
2010sits peak decade
under 1 in 200chance a classmate shares it

Key facts

Key facts about Kellin
Rank among boys’ names, 2025#586
Babies born in 202544
Share of births1 in 7,191
Peak decade2010s
Change over 10 years−67%
Projected rank for 2030 (estimate)#739
In France, 2025#1,330 among boys’ names, 0 births

Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.

Its life, decade by decade

Kellin is a newcomer: almost all of its history is from the last forty years.

1900195020002020–25
Peak: 32 per million births, 2010s.

What goes with it

Nicknames

  • Kell
  • Lin

Honouring a Kellin in the family

In the classroom

In a class of 25 children born in 2025, the chance that another child is called Kellin is about under 1 in 200.

Around the world

This spelling is used in English, Irish.

In France: #1,330 for boys in 2025.

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